MBLY max pain, gamma exposure (GEX) & options open interest
As of close · rank #353 by open interest · 906 sessions of history since Nov 3, 2022
MBLY's nearest-expiration max pain is 7.50 for 2026-10-09, its GEX flip is 9.28, net GEX is -182,183, its put/call open-interest ratio is 0.53. These are whole-chain derived aggregates as of Oct 2, 2026 close.
Whole-chain analytics
Derived after the close from the same dated options chain. Signed gamma exposure uses calls positive and puts negative; it is a model convention, not observed dealer inventory.
Advanced options analysis
Complete derived analysis from the dated chain, normalized where possible for comparison across tickers. Catalyst intensity measures unusual pricing and activity; it does not identify an event, predict direction, or establish that an investment is attractive.
Strongest relative signals: IV rank 100 · 25Δ risk reversal -97.8 pp
MBLY closed 48.2% below its gamma max of 11.00. It is 8.8% below the delta neutral price of 8.08. Total open interest is 243,328, -3.9% versus the previous session. Its options catalyst-intensity score is 50.3 out of 100, led by IV rank 100, 25Δ risk reversal -97.8 pp. What gamma max means · What delta neutral means
Call versus put open interest changes
Growth compares outstanding contracts on each side. A positive growth gap favors calls; a negative gap favors puts. Standardized surprises compare each measure with its own prior history. These describe the OI balance, not IV skew or buying direction.
| Measure | Value |
|---|---|
| Call OI change, 1 session | -9,021 contracts · -5.4% |
| Put OI change, 1 session | -967 contracts · -1.1% |
| Call minus put OI growth, 1 session | -4.2 pp |
| Call OI change, 5 sessions | -4,862 contracts · -3.0% |
| Put OI change, 5 sessions | +815 contracts · +1.0% |
| Call minus put OI growth, 5 sessions | -3.9 pp |
| Daily call OI change surprise | -0.75σ (252 prior changes) |
| Daily put OI change surprise | -0.15σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.91σ (252 prior changes) |
History
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Analysis visualizations
Derived from the 2026-10-02 options chain. Select an analysis to explore its chart.
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Gamma walls
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What followed prior gamma-max crosses?
Each historical path starts at 0% on the cross date and follows the close for ten subsequent trading sessions. Cohorts use the same direction as labelled and require gamma max to be within 10% of the close on both crossing sessions.
Crosses below gamma max 12 completed Day +10 paths · latest Jan 8, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 12 | -1.3% | -3.6% to +0.7% | 42% | -3.7% to +1.2% | 0.0% |
| Day +2 | 12 | +0.2% | -2.5% to +1.6% | 50% | -3.0% to +1.8% | 0.0% |
| Day +3 | 12 | -2.6% | -5.9% to +2.9% | 42% | -8.5% to +5.2% | 0.0% |
| Day +4 | 12 | -2.4% | -7.8% to +0.1% | 25% | -9.0% to +0.6% | 0.0% |
| Day +5 | 12 | -4.8% | -14.5% to -1.7% | 8% | -14.9% to -1.4% | -1.4% |
| Day +6 | 12 | -7.3% | -13.8% to -1.9% | 17% | -15.5% to -1.5% | -1.5% |
| Day +7 | 12 | -5.8% | -15.7% to -1.4% | 17% | -16.1% to -0.5% | -0.5% |
| Day +8 | 12 | -5.0% | -15.2% to -2.1% | 17% | -16.5% to -1.4% | -1.4% |
| Day +9 | 12 | -7.3% | -14.2% to -3.9% | 25% | -14.7% to +0.0% | 0.0% |
| Day +10 | 12 | -7.1% | -14.4% to -3.1% | 25% | -15.9% to +1.6% | 0.0% |
Crosses above gamma max 13 completed Day +10 paths · latest Jan 7, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 13 | -0.4% | -2.5% to +0.2% | 38% | -2.5% to +0.2% | 0.0% |
| Day +2 | 13 | -3.5% | -5.6% to -2.5% | 15% | -5.6% to -2.5% | -2.5% |
| Day +3 | 13 | -2.4% | -6.4% to -0.0% | 23% | -6.4% to -0.0% | -0.0% |
| Day +4 | 13 | -5.1% | -8.4% to -0.4% | 23% | -8.4% to -0.4% | -0.4% |
| Day +5 | 13 | -5.2% | -10.6% to -1.4% | 23% | -10.6% to -1.4% | -1.4% |
| Day +6 | 13 | -6.7% | -9.5% to -1.3% | 15% | -9.5% to -1.3% | -1.3% |
| Day +7 | 13 | -9.7% | -15.4% to +1.9% | 31% | -15.4% to +1.9% | 0.0% |
| Day +8 | 13 | -8.1% | -15.3% to +1.5% | 31% | -15.3% to +1.5% | 0.0% |
| Day +9 | 13 | -6.9% | -16.2% to +1.4% | 31% | -16.2% to +1.4% | 0.0% |
| Day +10 | 13 | -8.4% | -18.6% to +1.9% | 31% | -18.6% to +1.9% | 0.0% |
Returns are close-to-close after the labelled number of subsequent trading sessions. The confidence floor is the closest-to-zero bound of the order-statistic median interval; it is zero when that interval spans zero. Its coverage is nominally at least 90% under independent observations. Historical paths can overlap, so the interval and floor are descriptive uncertainty guides rather than formal coverage guarantees. Historical, not a forecast.
Last 252 sessions
| Sessions closed above gamma max | 1% |
| Gamma max crosses | 6 |
| Delta neutral crosses | 19 |
| Prior-year sessions closer to gamma max | 98.0% of 252 |
| Prior-year sessions closer to delta neutral | 65.5% of 252 |
| Open interest percentile (1y) | 3th |
| Daily open interest change versus prior year | -0.59σ (-9,988 contracts; 252 prior changes) |
| Open interest change, 5 sessions | -1.6% |
| Open interest change, 21 sessions | -4.9% |
| History available | Nov 3, 2022 → Oct 2, 2026 |
Recent crosses
- closed below delta neutral at 8.10 vs 8.48 (-4.6%)
- closed above delta neutral at 8.56 vs 8.53 (+0.3%)
- closed below delta neutral at 8.36 vs 8.51 (-1.8%)
- closed above delta neutral at 8.05 vs 7.63 (+5.2%)
- closed below delta neutral at 7.47 vs 7.54 (-1.0%)
- closed below gamma max at 9.22 vs 10.60 (-14.9%)
- closed above delta neutral at 8.70 vs 8.32 (+4.4%)
- closed above gamma max at 8.70 vs 8.57 (+1.5%)
- closed below delta neutral at 9.40 vs 9.50 (-1.1%)
- closed above delta neutral at 9.40 vs 9.39 (+0.1%)
In today's screens
Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/MBLY
Questions people ask about MBLY
Where is MBLY's gamma max today?
As of Oct 2, 2026, the gamma max for MBLY is 11.00, +48.2% from the 7.42 close. Gamma max is the underlying price at which the summed gamma of every open contract is largest; how it is computed and why it matters.
Is MBLY above or below its delta neutral price?
MBLY closed below delta neutral: 7.42 against a delta neutral price of 8.08. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does MBLY have?
243,328 contracts of open interest across 231 listed contracts on Oct 2, 2026, -3.9% versus the previous session. What open interest measures.
Levels are recomputed after every trading day from licensed end-of-day options data; only derived aggregates are published. Methodology · Data and licence · Not investment advice.